Background pattern 226 (colour 5) #2317
Blue CC 0A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
More Textures
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Background pattern 308 (colour 2) #1871
Green CC 0Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Light Wool #695
Grid CC BY-SA 3.0Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
Rebel@2X #830
Dark CC BY-SA 3.0Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
Background pattern 302 (colour 2) #1887
Green CC 0Alternative colour scheme to the original.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background@2X #539
Diamond CC 0Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Random Grey Variations@2X #70
Stripes CC BY-SA 3.0Stefan is hard at work, this time with a funky pattern of squares.
Source Stefan Aleksić
Floral design 71 #2429
Dark CC 0From a drawing in 'From Snowdon to the Sea. Striking stories of North and South Wales', Marie Trevelyan, 1895.
Source Firkin
Redox 02 #851
Light CC BY-SA 3.0After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Pattern generator #161
Noise CC 0A simple example on using clones. You can generate a nice base for a pattern fill quickly with it.
Source Lazur URH
Block Well #1696
Colorful CC 0Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Page ornament #1991
Dark CC 0From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Triangular ornament 32 #2435
Dark CC 0Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Prismatic Groovy Concentric Background 3 #457
Noise CC 0Prismatic Groovy Concentric Background 3
Source GDJ
Dark Brown Wood Pattern #884
Wood CC BY-SA 3.0A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Decorative divider 185 #2588
Orange CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868.
Source Firkin
Floral pattern 14 #1754
Yellow CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background Patterns - Lava #251
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Decorative divider 284 #1848
Dark CC 0From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Green Dust & Scratches@2X #108
Wall CC BY-SA 3.0Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo